Sync Ipod touch with iphone 3g?

hey, I just a new iPhone 3g, but I've had the iPod Touch with 2.0 ever since it came out, and I didn't want to "start all over again". I still plan on keeping the iPod touch (which is 8gb btw), but I want to know if there is a way to have all the game saves from the ipod and Iphone (which is 16gb) in sync. That way, I wouldn't have to redo everything on my iphone that i already did on the ipod touch, and vice versa. For example, I've gone quite far into Aurora Feint, but if I want to play it on my iphone, i will have to start the game again , and the same with other apps like smb, crash bandicoot, etc.

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